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Code of Federal Regulations Title 40. Protection of Environment 40 CFR Pt. 63, Subpt. AA, Tbl. 4 Table 4 to Subpart AA of Part 63—Operating Parameters, Operating Limits and Data Monitoring, Recordkeeping and Compliance Frequencies

Current as of January 02, 2025 | Updated by Findlaw Staff

For the operating parameter applicable to you, as specified in Table 3 . . .

You must establish the following operating limit . . .

And you must monitor, record, and demonstrate continuous compliance using these minimum frequencies . . .

Data measurement

Data recording

Data averaging period for compliance

Absorbers (Wet Scrubbers)

Influent liquid flow

Minimum inlet liquid flow

Continuous

Every 15 minutes

Daily.

Influent liquid flow rate and gas stream flow rate

Minimum influent liquid-to-gas ratio a

Continuous

Every 15 minutes

Daily.

Pressure drop

Pressure drop range

Continuous

Every 15 minutes

Daily.

Sorbent Injection

Sorbent injection rate

Minimum injection rate

Continuous

Every 15 minutes

Daily.

Sorbent injection carrier gas flow rate

Minimum carrier gas flow rate

Continuous

Every 15 minutes

Daily.

Fabric Filters

Alarm time

Maximum alarm time is not established on a site-specific basis but is specified in § 63.605(f)(9)

Continuous

Each date and time of alarm start and stop

Maximum alarm time specified in § 63.605(f)(9).

Wet Electrostatic Precipitator

Secondary voltage

Secondary voltage range

Continuous

Every 15 minutes

Daily.

a If you select the regression model option to monitor influent liquid-to-gas ratio as described in Table 3 to this subpart, then you must also continuously monitor (i.e., record every 15 minutes, and use a daily averaging period) blower amperage, blower static pressure (i.e., fan suction pressure), and any other parameters used in the regression model that are not constants.

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Cite this article: FindLaw.com - Code of Federal Regulations Title 40. Protection of Environment 40 CFR Pt. 63, Subpt. AA, Tbl. 4 Table 4 to Subpart AA of Part 63—Operating Parameters, Operating Limits and Data Monitoring, Recordkeeping and Compliance Frequencies - last updated January 02, 2025 | https://codes.findlaw.com/cfr/title-40-protection-of-environment/cfr-pt-40-63-subpt-aa-tbl-4/

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